/*
* (non-Javadoc)
*
* @see com.richhickey.foil.IRuntimeServer#processMessages()
*/
public Object processMessages(TextReader ins, TextWriter outs)
{
// lock(this)
{
proxyReader = ins;
proxyWriter = outs;
for (;;)
{
String resultMessage = null;
String errorMesssage = null;
String sin = null;
ArrayList message = null;
try
{
sin = slurpForm(ins);
message = reader.readMessage(new StringReader(sin));
if (isMessage(":call", message))
//(:call cref marshall-flags marshall-value-depth-limit args ...)
{
ICallable c = (ICallable)message[1];
int marshallFlags = intArg(message[2]);
int marshallDepth = intArg(message[3]);
Object ret = c.invoke(message[4], message.GetRange(5, message.Count - 5));
resultMessage = createRetString(ret, marshaller, marshallFlags, marshallDepth);
}
else if (isMessage(":cref", message))
//(:cref member-type tref|"packageQualifiedTypeName" "memberName")
{
int memberType = intArg(message[1]);
Type c = typeArg(message[2]);
String memberName = stringArg(message[3]);
ICallable ret = reflector.getCallable(memberType, c, memberName);
resultMessage = createRetString(ret, marshaller, IBaseMarshallerFlags.MARSHALL_ID, 0);
}
else if (isMessage(":new", message))
//(:new tref marshall-flags marshall-value-depth-limit (args ...) property-inits ...)
{
Type c = typeArg(message[1]);
int marshallFlags = intArg(message[2]);
int marshallDepth = intArg(message[3]);
ArrayList args = (ArrayList)message[4];
Object ret = reflector.createNew(c, args);
//set props
if (message.Count > 5)
{
reflector.setProps(ret, message.GetRange(5, message.Count - 5));
}
resultMessage = createRetString(ret, marshaller, marshallFlags, marshallDepth);
}
else if (isMessage(":tref", message))
//(:tref "packageQualifiedTypeName")
{
Type c = typeArg(message[1]);
resultMessage = createRetString(c, marshaller, IBaseMarshallerFlags.MARSHALL_ID, 1);
}
else if (isMessage(":free", message))
//(:free refid ...)
{
for (int i = 1; i < message.Count; i++)
{
Object id = message[i++];
int rev = intArg(message[i]);
referenceManager.free(id, rev);
}
resultMessage = createRetString(null, marshaller, 0, 0);
}
else if (isMessage(":ret", message))
//only on callback, note will break out of message loop
{
return(message[1]);
}
else if (isMessage(":str", message))
//(:str refid)
{
resultMessage = createRetString(message[1].ToString(), marshaller, 0, 0);
}
else if (isMessage(":equals", message))
//(:equals ref1 ref2)
{
Object o1 = message[1];
Object o2 = message[2];
Boolean ret = (o1 == null) ? (o2 == null) : o1.Equals(o2);
resultMessage = createRetString(ret?true:false, marshaller, 0, 0);
}
else if (isMessage(":vector", message))
{
//(:vector tref|"packageQualifiedTypeName" length value ...) {
Type c = typeArg(message[1]);
int length = intArg(message[2]);
Object ret = reflector.createVector(c
, length
, message.GetRange(3, message.Count - 3)
);
resultMessage = createRetString(ret, marshaller, IBaseMarshallerFlags.MARSHALL_ID, 0);
}
else if (isMessage(":vget", message))
//(:vget aref marshall-flags marshall-value-depth-limit index)
{
int marshallFlags = intArg(message[2]);
int marshallDepth = intArg(message[3]);
int index = intArg(message[4]);
Object ret = reflector.vectorGet(message[1], index);
resultMessage = createRetString(ret, marshaller, marshallFlags, marshallDepth);
}
else if (isMessage(":vset", message))
//(:vset aref index value)
{
int index = intArg(message[2]);
reflector.vectorSet(message[1], index, message[3]);
resultMessage = createRetString(null, marshaller, 0, 0);
}
//Eric - For .net indexers
else if (isMessage(":iget", message))
//(:iget indexable-object-ref marshall-flags marshall-value-depth-limit indexes...)
{
int marshallFlags = intArg(message[2]);
int marshallDepth = intArg(message[3]);
Object ret = reflector.indexerGet(message[1], message.GetRange(4, message.Count - 4));
resultMessage = createRetString(ret, marshaller, marshallFlags, marshallDepth);
}
else if (isMessage(":iset", message))
//(:iset indexable-object-ref indexes... value)
{
reflector.indexerSet(message[1], message.GetRange(2, message.Count - 2));
resultMessage = createRetString(null, marshaller, 0, 0);
}
else if (isMessage(":vlen", message))
//(:vlen aref)
{
Object ret = reflector.vectorLength(message[1]);
resultMessage = createRetString(ret, marshaller, 0, 0);
}
else if (isMessage(":bases", message))
//(:bases tref|"packageQualifiedTypeName")
{
Type c = typeArg(message[1]);
StringWriter sw = new StringWriter();
sw.Write("(:ret");
marshaller.marshallAsList(reflector.bases(c), sw, IBaseMarshallerFlags.MARSHALL_ID, 1);
sw.Write(')');
resultMessage = sw.ToString();
}
else if (isMessage(":type-of", message))
//(:type-of ref)
{
Type c = message[1].GetType();
resultMessage = createRetString(c, marshaller, IBaseMarshallerFlags.MARSHALL_ID, 1);
}
else if (isMessage(":is-a", message))
//(:is-a ref tref|"packageQualifiedTypeName")
{
Object o = message[1];
Type c = typeArg(message[2]);
resultMessage = createRetString(c.IsInstanceOfType(o)?true:false, marshaller, 0, 0);
}
else if (isMessage(":hash", message))
//(:hash refid)
{
resultMessage = createRetString(message[1].GetHashCode(), marshaller, 0, 0);
}
else if (isMessage(":members", message))
//(:members :tref|"packageQualifiedTypeName")
{
Type c = typeArg(message[1]);
StringWriter sw = new StringWriter();
sw.Write("(:ret");
reflector.members(c, sw);
sw.Write(')');
resultMessage = sw.ToString();
}
else if (isMessage(":marshall", message))
//(:marshall ref marshall-flags marshall-value-depth-limit)
{
Object ret = message[1];
int marshallFlags = intArg(message[2]);
int marshallDepth = intArg(message[3]);
resultMessage = createRetString(ret, marshaller, marshallFlags, marshallDepth);
}
else if (isMessage(":proxy", message))
//(:proxy marshall-flags marshall-value-depth-limit interface-trefs ...)
{
int marshallFlags = intArg(message[1]);
int marshallDepth = intArg(message[2]);
resultMessage = createRetString(reflector.makeProxy(this, marshallFlags, marshallDepth
, message.GetRange(3, message.Count - 3))
, marshaller, IBaseMarshallerFlags.MARSHALL_ID, 0);
}
else if (isMessage(":err", message))
//only on callback, note will break out of message loop
{
//there was an error on the Lisp side during a proxy callback
//will turn into an exception below
errorMesssage = (String)message[1];
}
else if (isMessage(":cnames", message))
{
StringWriter sw = new StringWriter();
sw.Write("(:ret");
marshaller.marshallAsList(
reflector.getClassNames(message[1], message.GetRange(2, message.Count - 2))
, sw, IBaseMarshallerFlags.MARSHALL_ID, 1);
sw.Write(')');
resultMessage = sw.ToString();
}
else
{
throw new Exception("unsupported message");
}
}
catch (Exception ex)
{
if (ex is IOException)
{
throw (IOException)ex;
}
else if (ex is TargetInvocationException)
{
while (ex.InnerException != null && ex is TargetInvocationException)
{
ex = ex.InnerException;
}
}
outs.Write("(:err");
StringBuilder sb = new StringBuilder();
sb.Append(ex.Message);
Exception ie = ex.InnerException;
while (ie != null)
{
sb.AppendFormat(" {0}", ie.Message);
ie = ie.InnerException;
}
Console.WriteLine("Thread:{0} - Exception:{1}", Thread.CurrentThread.Name, sb.ToString());
marshaller.marshallAtom(sb.ToString(), outs, 0, 0);
marshaller.marshallAtom(String.Format("{0}{1}", sb.ToString(), ex.StackTrace), outs, 0, 0);
outs.Write(')');
outs.Write('\n');
outs.Flush();
}
if (resultMessage != null)
{
outs.Write(resultMessage);
outs.Write('\n');
outs.Flush();
}
else if (errorMesssage != null)
{
//there was an error on the Lisp side during a proxy callback
//throw an exception to the calling code
throw new IOException(errorMesssage);
}
}
}
}
